A professional development resource delivering courses online for PreK-12 teachers. Find course dates, graduate credit opportunities, and other information. Download the course tour for a preview of the experience of taking a course. See also the Virtual Mathematics Academy, a self-paced environment where teachers define, explore, plan and implement concepts using videos, activities, and discussions to support their progress. Designed similarly to the NCTM Academy for Professional Development Institutes, the Virtual Mathematics Academy (VMA) focuses on understanding and applying NCTM's Principles and Standards for School Mathematics; and on the issues of equity, curriculum, teaching, learning, assessment, and technology.